can anyone tell me why this MDL error box pops up when opening AECOsim Building Designer v8i ss6 ....this is the error, MDL Loader: Could not load application C:/PROGRA~2/Bentley/PROJEC~1/bin\fencepublisher.ma

can anyone tell me why this MDL error box pops up when opening AECOsim Building Designer v8i ss6 ....

this is the error, MDL Loader: Could not load application C:/PROGRA~2/Bentley/PROJEC~1/bin\fencepublisher.ma

thanks